重新排列各句，将字母填在方框内，使之成为完整的对话。
A: Hi, Mary. This is Alice.
B. Thank you. Goodbye.
C. Hello!
D. I’m ill today.
E. Hello. May I speak to Mary?
F. This is Mary speakingg.
G. I hope you will get better soon. Goodbye.
H. Why didn’t you come to school today?
I. I’m sorry to hear that.